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6 Functions on the Web Server Pages
ENERGY
The Power Xpert Meter measures and accumulates three kinds of energy values every 200 mil-
liseconds, Real Power (Watts), Reactive Power (vars) and Apparent Power (VA). With four different
types of accumulation; forward, reverse, net and sum for Real Power and Reactive Power. These
measurements are configured to calculation the kWh Forward/Reverse, Net and Sum; kvarh Lag/
Lead, Net and Sum and kVAh.
Real Power
(Watts).
Note:
Watts calculated is only valid for AN, BN, and CN selections.
Reactive Power
(var) You can select the means of calculating vars is in the QuickSetup page. By
default, reactive power is calculated from VA and Watts as sqrt(VA^2 - W^2). As a result, harmonic
power is included with vars.
Optionally, reactive power is calculated via a 90-degree phase shift of the fundamental. As a result,
harmonic power is typically excluded from the vars. and is the product of the voltage, the current,
and the sine of the phase angle between them.
Apparent Power
(VA) is the square root of the sum of the squares of the active and reactive pow-
ers.
Separate energy registers accumulate energy values over a period of one calendar month. At the
end of every calendar month, energy values along with peak demand values with date and time
stamps are saved as last months values. At this point energy accumulators are reset and begin ac-
cumulating values for next month.
TIME OF USE
The meter supports four rate periods for Time Of Use (TOU): A, B, C and D in addition to total rate,
which is independent of time of use. Energy values are accumulated separately for each of these
rate periods. The Time of Use page also display the Present, Peak, and Peak Today (the peak
value for this day) Demand.
DEMAND PROFILE
Demand Profile is the magnitude and duration of loads applied in a prescribed time sequence,
including the transient and steady-state characteristics of the individual loads. The Power Xpert Me-
ter logs demand profile data from the following sources:
• kWh/kw: Forward, Reverse, Net, Sum,
• kVAh/kVA - kVARh/kVAR: Received,Delivered, Net, Sum, and Total Current in Amperes.
Summary of Contents for Power Xpert PXM 4000
Page 1: ...User and Installation Manual IM02601004E Power Xpert PXM 4000 6000 8000 ...
Page 8: ...Page vi IM02601004E www eaton ...
Page 19: ...www eaton com IM02601004E Page 11 1 Introduction ...
Page 24: ...Page 16 IM02601004E www eaton ...
Page 36: ...Page 18 IM02601004E www eaton com 2 Quick Start Guide for the Meter Module ...
Page 45: ...www eaton com IM02601004E Page 37 3 Installation 3 8 MeterDimensions ...
Page 46: ...Page 38 IM02601004E www eaton 3 Installation Dimension Con t ...
Page 47: ...www eaton com IM02601004E Page 39 3 Installation Dimension Con t ...
Page 48: ...Page 40 IM02601004E www eaton 3 Installation Dimension Con t ...
Page 53: ...www eaton com IM02601004E Page 45 3 Installation ...
Page 54: ...Page 46 IM02601004E www eaton 3 Installation ...
Page 55: ...www eaton com IM02601004E Page 47 3 Installation ...
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Page 57: ...www eaton com IM02601004E Page 49 3 Installation ...
Page 58: ...Page 50 IM02601004E www eaton 3 Installation ...
Page 59: ...www eaton com IM02601004E Page 51 3 Installation ...
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Page 66: ...Page 58 IM02601004E www eaton 3 Installation ...
Page 75: ...www eaton com IM02601004E Page 67 4 Introduction to Web Server Screens ...
Page 76: ...Page 68 IM02601004E www eaton 4 Introduction to Web Server Screens ...
Page 86: ...Page 78 IM02601004E www eaton 5 Introduction to the Local Graphical Display ...
Page 108: ...Page 100 IM02601004E www eaton 6 Functions on the Web Server Pages ...
Page 128: ...Page 120 IM02601004E www eaton 7 Functions on the Graphical Display ...
Page 164: ...Page 156 IM02601004E www eaton 8 Setup on the Web Server Pages ...
Page 198: ...Page 190 IM02601004E www eaton A MODBUS Communication ...
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Page 252: ...Page 244 IM02601004E www eaton D Diagnostics ...
Page 254: ...Page 246 IM02601004E www eaton D Diagnostics ...